Level 2
Four identical rectangles are cut out from a square piece of paper as shown in the diagram. The breadth of each rectangle is 2 cm. What is the area of each rectangle?
Level 2
Four identical rectangles are cut out from a square piece of paper as shown in the diagram. The breadth of each rectangle is 2 cm. What is the area of each rectangle?
Level 3
There were some pencils in Box A and Box B. After Carl transferred 34 of the pencils from Box A to Box B, the ratio of the number of pencils in Box A to that in Box B changed to 2 : 9. Find the ratio of the numbers of pencils in Box A to the number of pencils in Box B at first.